Dhoni, Tendulkar and Altaf participate in a ten kilometers race. Dhoni beats Tendular by 2 kilometres. Dhoni beats Altaf by 4 kilometers. If the runners maintain constant speeds throughout the race, by how many kilometers does Tendulkar beat Altaf in a 30 kilometres race?

a) 9.5 b) 4.5 c) 6.5 d) 7.5

• For a duration when Tendulkar runs 8 kilometres Altaf runs 6 kilometres
  when Tendulkar runs 30 kilometres Altaf will run 30/8 x 6 = 22.5 km
  So Tendulkar will beat Altaf by 7.5 kilometres.
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